pprExpr: don't add extra parens around [a..b] in an argument position

test is tcfail205

pprExpr: don't add extra parens around [a..b] in an argument position
test is tcfail205
340fb6fe · Simon Marlow · 1c83695b · 340fb6fe
Commit 340fb6fe authored Jun 08, 2009 by Simon Marlow
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compiler/hsSyn/HsExpr.lhs compiler/hsSyn/HsExpr.lhs +2 -0

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--- a/compiler/hsSyn/HsExpr.lhs
+++ b/compiler/hsSyn/HsExpr.lhs
@@ -529,6 +529,8 @@ pprParendExpr expr
        -- I think that is usually (always?) right
    in
    case unLoc expr of
+      ArithSeq{}           -> pp_as_was
+      PArrSeq{}            -> pp_as_was
      HsLit _              -> pp_as_was
      HsOverLit _          -> pp_as_was
      HsVar _              -> pp_as_was